My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Five Ways to Help Make Your Money Last Longer Americans are living longer. But will your money keep pace? Discover retirement planning strategies to keep you covered. Managing an Inheritance A windfall from a loved one can be both rewarding and complicated.